#include<bits/stdc++.h>
using namespace std;
using ll=long long;
int b[100005];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    ios::sync_with_stdio(false);cin.tie(0);
    int n,ans=0;
    cin>>n;
    for(int i=0,a;i<n;i++)cin>>a,++b[a];
    for(int i=1;i<=100000;i++)ans=max(ans,b[i]);
    cout<<ans<<endl;
}
